Asja Mawaia is a village in Baisi tehsil in district of Purnia, Bihar, India. As per the data provided by Census of India in 2011, total population of Asja Mawaia was 9,199 which includes 4,778 males and 4,421 females. Asja Mawaia covers 485 ha area. Pincode of Asja Mawaia is 854315.